XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.20.2

Summary of Significant Accounting Policies (Details) - shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Stock options |  |  |  |
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items] |  |  |  |
Anti-dilutive excluded from the calculation of diluted loss per common share | 4,186,786 | 2,411,846 | 4,186,786 | 2,814,505
Unvested restricted stock |  |  |  |
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items] |  |  |  |
Anti-dilutive excluded from the calculation of diluted loss per common share | 0 | 209,055 | 0 | 237,798
Warrants |  |  |  |
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items] |  |  |  |
Anti-dilutive excluded from the calculation of diluted loss per common share | 22,304,750 | 18,844,002 | 22,304,750 | 20,353,145
Common shares underlying convertible debt |  |  |  |
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items] |  |  |  |
Anti-dilutive excluded from the calculation of diluted loss per common share | 5,125,364 | 0 | 5,125,364 | 11,722,222

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | embi_NatureOfOperationsBusinessActivitiesAndSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | embi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_ConvertibleCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |